Жарко, очень жарко, Arduino и HC-05
Балуюсь с 120x120 вентилятором, блютуз модулем HC-05, Arduino Pro Mini ну и Android устройством.
Слева снизу - линейный стабилизатор 7805, силовой элемент - биполярный транзистор КТ829Б. Частота ШИМ около 60 кГц.
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Код:
Android program:
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